Operation Manual
Vigor2133 Series User’s Guide 
191
It is similar to automatic Bandwidth Limit. The dynamic bandwidth limit of each station 
depends on instant active station number and airtime assignment. Please note that Airtime 
Fairness of 2.4GHz and 5GHz are independent. But stations of different SSIDs function 
together, because they all use the same wireless channel. IN SPECIFIC ENVIRONMENTS, this 
function can reduce the bad influence of slow wireless devices and improve the overall 
wireless performance. 
Suitable environment:   
(1) Many wireless stations.   
(2) All stations mainly use download traffic.   
(3) The performance bottleneck is wireless connection. 
Available settings are explained as follows: 
Item Description 
Enable Airtime Fairness  Try to assign similar airtime to each wireless station by 
controlling TX traffic. 
Airtime Fairness – Click the link to display the following 
screen of airtime fairness note. 
Triggering Client Number –Airtime Fairness function is 
applied only when active station number achieves this 
number. 
After finishing this web page configuration, please click OK to save the settings. 
Info 
Airtime Fairness function and Bandwidth Limit function should be mutually 
exclusive. So their webs have extra actions to ensure these two functions 
are not enabled simultaneously. 










